added obj_pcrs_set_values function; fixed off-by-one in obj_pcrs_get_value
added obj_pcrs_set_values function; fixed off-by-one in obj_pcrs_get_value

emilcondrea/trousers,Distrotech/trousers,Distrotech/trousers,emilcondrea/trousers,Distrotech/trousers,emilcondrea/trousers